package com.bw.service;

import com.bw.bean.GmA;
import com.bw.bean.gmB;
import com.bw.bean.GmC;
import com.bw.bean.GmD;

import java.util.List;


public interface GmService {
    List<GmA> listA();
    List<gmB> listB();
    List<GmC> listC();
    List<GmD> listD();
}
